Slayers The Motion Picture

Slayers The Motion Picture, also known as Slayers Perfect or Slayers the Movie Perfect Edition and originally released in Japan simply as Slayers , is a 1995 Japanese comic fantasy adventure anime film written by Kazuo Yamazaki, based on an original story by Hajime Kanzaka, and directed by Yamazaki and Hiroshi Watanabe. It was the first animated entry released in the Slayers media franchise and was well received by critics. In the film, young sorceresses Lina Inverse and Naga the Serpent reunite to go on vacation to the magical island of Mipross, but they soon find that things there are not quite what they seem and a mighty evil force might be behind this.

Meanwhile, Lina is repeatedly visited during sleep by an old insistent man that narrates about the love between a heroic boy Rowdy and a young elf girl Meliroon, tragically interrupted by the appearance of a mazoku demon named Joyrock that destroyed the city of elves and killed Meliroon. In another dream, between an event and another, Lina discovers that the old storyteller is the young hero himself and he gained the power of elves, with the ability of seeing the future, and that he was the owner of the legendary Sword of Light.Lina and Naga deliver the most dangerous bandits to the king, who asks Lina to take action against Joyrock. He and the queen were contacted by the old sage Rowdy in dream and he told them the demon came back again to Mipross and is wreaking havoc in the northern part of the island, blocking the natural flux of hot springs water, so the girl named Lina Inverse is the only able to beat him. Lina is initially reluctant, but in exchange of a reward and Rowdys promise to reveal the secret location of a hot spring that make things growing up she and Naga decide to take action against the demon. ........

Source: Wikipedia